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Questions and answers by
Saron Asegid
Questions (16)
K2O + H20 KOH
1 answer
120 views
A. The work done by the applied
B. The work done force by friction C. The net work done D. The work done by gravity
1 answer
83 views
What is the work done by gravitational force when an 80kg object is listed to light of 5m take g=10
0 answers
85 views
What is the work done by gravitational force when an 80kg object is listed to a light of 5m
1 answer
85 views
Explain what is meant by the termination and describe how it is related to mass
1 answer
85 views
State newton's three laws of motion
1 answer
110 views
A child of mass 40kg jumps off a wall and hits the ground at 4m/s he bends
2 answers
148 views
A bullet of mass 0.01kg is fired in to sand bag of mass 0.49kg longing from a tree the sand bag with the bullet at 10m/s find A
2 answers
159 views
A bullet of mass of mass 0.01kg is
2 answers
212 views
State the law of conservation of liner momentum and describe its consequences
1 answer
110 views
A concrete slab of mass 400kg accelerates down a concrete slope in clined at35°. The
1 answer
196 views
A runner of mass 60 kg accelerates at 2.0m/s the start of a race. Calculate the forces provided from her legs .
1 answer
139 views
Calculate the weight the following objects on earth ( assume g= 10N/kg).
A, 12kg B, 500g C, 20g D, what is the mass and weight of
1 answer
150 views
A force of 10N causes a spring to extend by 20mm. Find A, the spring constant of spring in N/m
B, the extension of the spring
1 answer
187 views
A ball of mass 4kg falls to the floor it lands with a speed of 6m/s . It bounces off with the same speed. Show that is momentum
2 answers
146 views
A car mass 600kg is moving at speed of 20m/s . It collides with a stationary car of mass 900kg. If the first car bounces back at
2 answers
214 views
